We have seen everything from historic droughts and extreme wildfires ravaging communities in California, to vanishing wildlife habitat in Alaska, to toxic algae blooming out of control and contaminating drinking water supplies in America's heartland. How much more do we need to know about the devastating effects of climate change before Congress takes action?

Barack Obama deserves credit for delivering on his promise to shrink the deficit -- a promise that Mitt Romney and his tax cuts would surely have violated -- but Americans have to ask themselves whether they really want a smaller government.

've been "prowlin' and a growlin'" for 70 years now and sometimes you forget to take stock of the world around you. It's easy to think that what's here now will be here tomorrow, but it doesn't just happen. It takes you. Only you.

I did my best to get away from work last week while my family and I were on vacation visiting friends who live in Kalispell, the gateway to Montana's Glacier National Park. But it wasn't quite possible. You see, I'm a climate scientist. And the spectre of climate change stares you in the face as you tour the park.

Record wildfires burn a million acres in the Pacific Northwest; It's official: June 2014 was the hottest June globally on record; EPA moves to block massive Pebble Mine; California moves to block oil industry polluting groundwater.